STAT 216 Midterm: STAT 216 Montana State Exam2S05
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In each of the following multiple choice questions (1-14) choose the single best answer. Each multiple choice question is worth 3 points: a commuter must pass through 4 tra c lights on her way to work, and will have to stop at each one that is red. She estimates the probability model for the number of red lights she hits, as shown below. They got 64 inches, 67 inches, 60 inches, and 62 inches. This is an example of: sampling variability, bias, confounding, lack of control, analysis of the salaries of a random sample of 288 nevada teachers produced a 90% con dence interval for the mean salary of (, ). 1: all human blood can be abo - typed as one of o, a, b, or ab, but the distribution of blood types varies a bit among groups of people. Here is the distribution of blood types for a randomly chosen person in the united states.
